The gas which causes the fading of colour of Taj Mahal
The number of atoms present in a sulphur molecule
The element which has highest melting point
Which of these non-metals is liquid at room temperature ?
Which of these non-metals is lustrous?
What is the product when sulphur reacts with oxygen?
Oxides of non metals are _______ in nature
ഓസോണിൽ, ഓക്സിജൻ ആറ്റം താഴെകൊടുത്തിട്ടുള്ളവയിൽ ഏത് അവസ്ഥയിലാണ് ?
“പരമാണു” എന്ന വാക്ക് ആദ്യമായി ഉപയോഗിച്ചത് ആര് ?
Metal which is kept in kerosene :
In the case of pure metallic conductors the resistance is :
Which of the following is not used in fire extinguishers?
In a given sample there are 10,000 radio-active atoms of half-life period 1 month. The number of atoms remaining without disintegration at the end of 3 months is :
Which metal is present in insulin
The metal which is used in storage batteries
Which is the best conductor of electricity?
Metal which has very high ductility
King of metals?
Which of the following is an alloy of iron?
Carnotite is a mineral of which among the following metals?
The first alloy made by humans was
Which of the following is not an alloy?
The mineral from which aluminium is extracted is:
The metals having the largest atomic radii in the Periodic Table
Most metals have:
Bronze is an alloy of which metals?
Which of the following metals can be found in a pure state in nature?
The lightest metal is
Element used to get orange flames in fire works?
An iron nail is dipped in copper sulphate solution. It is observed that —
Which of the following metals will not react with oxygen, even when heated very strongly in air?
Galvanised iron is coated with
Brass is an alloy of
Which one of the following metal is used thermometers?
The property of metals by which they can be beaten in to thin sheets is called-
The metals that produce ringing sounds, are said to be
Radio active metal which is in liquid state at room temperature ?
Which metal is found in liquid state at room temperature?
Sodium metal is stored in-
Which of the following metal reacts vigorously with oxygen and water?
Which gas are produced when metal react with acids?
Ringing bells in the temples are made up of:
Other than mercury which other metal is liquid at room temperature?
Why Aluminium is used for making cooking utensils?
The metal which shows least expansion?
Name the property of metal in which it can be drawn into thin wires?
